1328965235 has 8 divisors (see below), whose sum is σ = 1717432080. Its totient is φ = 981389664.

The previous prime is 1328965153. The next prime is 1328965249. The reversal of 1328965235 is 5325698231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1328965235 - 2⁸ = 1328964979 is a prime.

It is a super-2 number, since 2×1328965235² = 3532297191677210450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10222745 + ... + 10222874.

It is an arithmetic number, because the mean of its divisors is an integer number (214679010).

Almost surely, 2^1328965235 is an apocalyptic number.

1328965235 is a deficient number, since it is larger than the sum of its proper divisors (388466845).

1328965235 is a wasteful number, since it uses less digits than its factorization.

1328965235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445637.

The product of its digits is 388800, while the sum is 44.

The square root of 1328965235 is about 36454.9754491757. The cubic root of 1328965235 is about 1099.4391727925.

The spelling of 1328965235 in words is "one billion, three hundred twenty-eight million, nine hundred sixty-five thousand, two hundred thirty-five".